OF-96-04-20 History, Geology, Hydrogeology, Summitville Mine and Downstream Effects, and Other Nearby Mines of the San Luis Valley, Colorado Download Publication Details Field trip no. 20 from “Geologic Excursions to the Rocky Mountains and Beyond,” field trip guidebook of the 1996 Annual Meeting of the Geological Society of America. (SP-44 has the complete set.) 189 pages. Digital PDF download. OF-96-04-20D From the Summary and Introduction: Field trip no. 20 is comprised of a compilation of 27 short papers covering the history, geology, hydrogeology, the Summitville Mine and downstream effects, and other nearby mines of the San Luis Valley, Colorado. It is organized into Section I A bit of history (1 paper), Section II Geology and hydrogeology (17 papers), Section III the Summitville Mine and downstream effects (5 papers), and Section IV Other nearby mines (4 papers). Citations Colorado Geological Survey. “OF-96-04-20 History, Geology, Hydrogeology, Summitville Mine and Downstream Effects, and Other Nearby Mines of the San Luis Valley, Colorado.” Fieldtrip. Open File Report. Denver, CO: Colorado Geological Survey, Division of Minerals and Geology, Department of Natural Resources, 1996.